Star Game Cards
... When a main-sequence star has exhausted the fuel in its core and it expands, it becomes a ____. ...
... When a main-sequence star has exhausted the fuel in its core and it expands, it becomes a ____. ...
January
... EQUATION OF TIME - On January 15 the sum is "running slow" 9 minutes. Solar noon will be nine minutes later than the clock on the wall. SPECIAL STARS AND CONSTELLATIONS - Orion, the Hunter, is the most known of the wintertime constellations. The hour-glass shaped hunter is easily observed in the Sou ...
... EQUATION OF TIME - On January 15 the sum is "running slow" 9 minutes. Solar noon will be nine minutes later than the clock on the wall. SPECIAL STARS AND CONSTELLATIONS - Orion, the Hunter, is the most known of the wintertime constellations. The hour-glass shaped hunter is easily observed in the Sou ...
Brighter than the average star?
... So why do most astronomy books denigrate our star? It is probably a result of over zealously applying the mediocrity principle. This is the philosophical idea that there is nothing special about our place in the Universe (“we live on an ordinary planet, orbiting an ordinary star in an ordinary galax ...
... So why do most astronomy books denigrate our star? It is probably a result of over zealously applying the mediocrity principle. This is the philosophical idea that there is nothing special about our place in the Universe (“we live on an ordinary planet, orbiting an ordinary star in an ordinary galax ...
Lecture 10 February 13
... Eventually all the envelope is blown away. The planetary nebula dissipates. All we have is the hot, degenerate core. Settles down to become a White Dwarf ...
... Eventually all the envelope is blown away. The planetary nebula dissipates. All we have is the hot, degenerate core. Settles down to become a White Dwarf ...
ASTR 300 Stars and Stellar Systems Spring 2011
... stars ? If an astronomer were observing from the surface of Jupiter’s moon Europa, by how much would Vega shift during the Jovian year ? (Hint: Jupiter is 5.2 AU from the sun.) A parallax of 0.129 means that when the observer moves 1 AU, the star shifts 0.129 arcsec. Since the diameter of the Earth’ ...
... stars ? If an astronomer were observing from the surface of Jupiter’s moon Europa, by how much would Vega shift during the Jovian year ? (Hint: Jupiter is 5.2 AU from the sun.) A parallax of 0.129 means that when the observer moves 1 AU, the star shifts 0.129 arcsec. Since the diameter of the Earth’ ...
KOI-54 Claude Plymate There is a star system about 45 light years
... There is a star system about 45 light years away in the constellation Cygnus. The system we know as HD 187091 (also known as KOI-54 for Kepler Object of Interest 54) is an undistinguished 8th magnitude A star or was before the Kepler telescope took a close look. As it turns out, the system is anythi ...
... There is a star system about 45 light years away in the constellation Cygnus. The system we know as HD 187091 (also known as KOI-54 for Kepler Object of Interest 54) is an undistinguished 8th magnitude A star or was before the Kepler telescope took a close look. As it turns out, the system is anythi ...
The Night Sky
... Assuming you can stand the cold evenings, the winter sky displays very prominent constellations, especially the hourglass shaped constellation Orion which can be seen in the southeast around 10 p.m. Orion can be used as a signpost to find other constellations and bright stars. Following Orion’s belt ...
... Assuming you can stand the cold evenings, the winter sky displays very prominent constellations, especially the hourglass shaped constellation Orion which can be seen in the southeast around 10 p.m. Orion can be used as a signpost to find other constellations and bright stars. Following Orion’s belt ...
The Life Cycle of Stars Webquest
... E = MC2 and learn how mass in the form of hydrogen atoms is converted to helium and causes a release of energy that makes stars shine. 3. You will also begin to understand the forces involved in stars that maintain this nuclear reaction and how these forces change as the star ages. 4. You will explo ...
... E = MC2 and learn how mass in the form of hydrogen atoms is converted to helium and causes a release of energy that makes stars shine. 3. You will also begin to understand the forces involved in stars that maintain this nuclear reaction and how these forces change as the star ages. 4. You will explo ...
The Life Cycle of Stars Webquest
... E = MC2 and learn how mass in the form of hydrogen atoms is converted to helium and causes a release of energy that makes stars shine. 3. You will also begin to understand the forces involved in stars that maintain this nuclear reaction and how these forces change as the star ages. 4. You will explo ...
... E = MC2 and learn how mass in the form of hydrogen atoms is converted to helium and causes a release of energy that makes stars shine. 3. You will also begin to understand the forces involved in stars that maintain this nuclear reaction and how these forces change as the star ages. 4. You will explo ...
changing constellations
... g for them the next during Easter. But lookin be fruitless, and will rise morning before sun ust. Aug in all at ear they won’t app r sunset afte sky Looking out at the night rpius Sco of ion llat in winter the conste e months thre but ...
... g for them the next during Easter. But lookin be fruitless, and will rise morning before sun ust. Aug in all at ear they won’t app r sunset afte sky Looking out at the night rpius Sco of ion llat in winter the conste e months thre but ...
Name
... The Apparent Magnitude Scale The apparent magnitude of stars was first recorded by the Greek astronomer Hipparchus about 160 B.C. Hipparchus grouped stars according to their brightness or magnitude. He called the twenty brightest stars first magnitude stars. Stars half that bright were second magnit ...
... The Apparent Magnitude Scale The apparent magnitude of stars was first recorded by the Greek astronomer Hipparchus about 160 B.C. Hipparchus grouped stars according to their brightness or magnitude. He called the twenty brightest stars first magnitude stars. Stars half that bright were second magnit ...
It is evident from our observations of impact craters on planets and
... The cause of auroras was explained and the connection to why they are more prominent near the poles was linked to Earth’s magnetic field. Understanding the stars has been greatly augmented with the development of large telescopes and instruments that accurately measure and analyze starlight. In part ...
... The cause of auroras was explained and the connection to why they are more prominent near the poles was linked to Earth’s magnetic field. Understanding the stars has been greatly augmented with the development of large telescopes and instruments that accurately measure and analyze starlight. In part ...
Name: ______________________________# __________ Study Guide is due WEDNESDAY November 2
... 10. Based on the graph what is the general relationship between the temperature of stars and the brightness of stars? (Hint: Look at the main sequence where most stars are located) ...
... 10. Based on the graph what is the general relationship between the temperature of stars and the brightness of stars? (Hint: Look at the main sequence where most stars are located) ...
Mountain Skies
... is spotted only low in the west after sunset or low in the east before sunrise depending on where it is in its orbit. In April, we get a chance at both views. Tonight, as the sky darkens, it is in the west below Mars. But, recall that Mer ...
... is spotted only low in the west after sunset or low in the east before sunrise depending on where it is in its orbit. In April, we get a chance at both views. Tonight, as the sky darkens, it is in the west below Mars. But, recall that Mer ...
Chapter 25 - OG
... Red Supergiant - core contracts – causes temp to increase then COOLS Supernova : outer portion of star explodes (def = huge explosion that destroys a star) ▪ Neutron Star – consists only of Neutrons in dense core ▪ Black Hole – core collapses until there is no volume – gravity so great nothing c ...
... Red Supergiant - core contracts – causes temp to increase then COOLS Supernova : outer portion of star explodes (def = huge explosion that destroys a star) ▪ Neutron Star – consists only of Neutrons in dense core ▪ Black Hole – core collapses until there is no volume – gravity so great nothing c ...
Starlight and What it Tells Us
... The Heavens Are Not Changeless • The Stars Move – Most of our constellations would have been unrecognizable to Neanderthal Man ...
... The Heavens Are Not Changeless • The Stars Move – Most of our constellations would have been unrecognizable to Neanderthal Man ...
22 Stellar Remnant/HR Diagram
... Low mass stars (M < 8Msun) • Red giant phase • He C and O (core) • Thermal pulses blow off outer layers • Left-over core white dwarf ...
... Low mass stars (M < 8Msun) • Red giant phase • He C and O (core) • Thermal pulses blow off outer layers • Left-over core white dwarf ...
The Solar System and Beyond
... Earth’s rotation) of objects in the universe and how cultures have understood, related to and used these objects in the night sky. Objective 1: Compare the size and distance of objects within systems in the universe. c. Compare the size of the Solar System to the size of the Milky Way galaxy. ...
... Earth’s rotation) of objects in the universe and how cultures have understood, related to and used these objects in the night sky. Objective 1: Compare the size and distance of objects within systems in the universe. c. Compare the size of the Solar System to the size of the Milky Way galaxy. ...
Question C:
... The easy way is to look up B−V=−0.30 for a B0V star in table A4-3, so B=2.5−0.3=2.2. The hard way is to first get the temperature of a B0 star from Figure 13-6 (25,000K), and calculate B−V=−0.52 using Equation 11-11a (although it is not meant for such hot stars). c. (5 pt): In a certain star, hydrog ...
... The easy way is to look up B−V=−0.30 for a B0V star in table A4-3, so B=2.5−0.3=2.2. The hard way is to first get the temperature of a B0 star from Figure 13-6 (25,000K), and calculate B−V=−0.52 using Equation 11-11a (although it is not meant for such hot stars). c. (5 pt): In a certain star, hydrog ...
Place the stars in the proper sequence, following the
... 13. What is the color of the hottest stars? Blue and White 14. Which classification of star has the most energy? Blue and White (also, hottest) a. How is a star’s temperature related to its energy? The hotter the star, the more energy it has b. How is a star’s magnitude related to its energy? Along ...
... 13. What is the color of the hottest stars? Blue and White 14. Which classification of star has the most energy? Blue and White (also, hottest) a. How is a star’s temperature related to its energy? The hotter the star, the more energy it has b. How is a star’s magnitude related to its energy? Along ...
Theoretical Modeling of Massive Stars Mr. Russell University of Delaware
... Can’t make a star in the laboratory Can’t travel to them ...
... Can’t make a star in the laboratory Can’t travel to them ...
here - Boise State University
... 10. Explain the relationship between star size and true brightness: Which size stars are the brightest???? Which size stars dim and not as bright???? 11. List another term scientist’s use to describe the true brightness of a star: 12. What do all stars form in? 13. What is a nebula? 14. What is the ...
... 10. Explain the relationship between star size and true brightness: Which size stars are the brightest???? Which size stars dim and not as bright???? 11. List another term scientist’s use to describe the true brightness of a star: 12. What do all stars form in? 13. What is a nebula? 14. What is the ...
Document
... b. Which star looks most red? GL 725A Most blue? Achernar c. Which star is the most luminous? Canopus Least luminous? GL 725A d. Which star appears the brightest? Canopus Faintest? GL 725A e. Which star’s spectrum shows the strongest Balmer lines of Hydrogen? Vega f. Which star’s spectrum most resem ...
... b. Which star looks most red? GL 725A Most blue? Achernar c. Which star is the most luminous? Canopus Least luminous? GL 725A d. Which star appears the brightest? Canopus Faintest? GL 725A e. Which star’s spectrum shows the strongest Balmer lines of Hydrogen? Vega f. Which star’s spectrum most resem ...